funtc117b.dat

这是一个包含多个语言的指令集

#include <stdio.h>
#include <dos.h>
int main(void)
{
    FILE *fp;
    struct DOSERROR info;
    fp = fopen("perror.dat","r");
    if (!fp) perror("Unable to open file for reading");
    dosexterr(&info);
    printf("Extended DOS error information:
");
    printf("Extended error: %d
",info.exterror);
    printf("Class: %x
",info.class);
    printf("Action: %x
",info.action);
    printf("Error Locus: %x
",info.locus);
    return 0;
}